<template>
  <div class='login_container'>
    <!-- 登录表单区域 -->
    <div class='login_box'>
      <!-- 登录用户头像 -->
      <div class='avatar_box'>
        <img src='../assets/logo.png' alt='' />
      </div>
      <el-form
        :model='loginForm'
        :rules='rulesloginForm'
        ref='LoginFormRef'
        label-width='0px'
        class='login_form'
      >
        <!-- 登录用户区域 -->
        <el-form-item prop='username'>
          <el-input
            v-model='loginForm.username'
            prefix-icon='iconfont icon-user'
          ></el-input>
        </el-form-item>
        <!--  登录密码区域-->
        <el-form-item prop='password'>
          <el-input
            type='password'
            v-model='loginForm.password'
            prefix-icon='iconfont icon-3702mima'
          ></el-input>
        </el-form-item>
        <!-- 按钮区域 -->
        <el-form-item class='btn'>
          <el-button type='primary' @click='login'>登录</el-button>
          <el-button type='info' @click='resetLoginForm'>重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>
<script>
export default {
  data () {
    return {
    // 数据绑定
      loginForm: {
        username: 'admin',
        password: '123456'
      },
      rulesloginForm: {
      // 表单验证规则
        username: [
          { required: true, message: '请输入活动名称', trigger: 'blur' },
          {
            min: 3,
            max: 10,
            message: '长度在 3 到 10 个字符',
            trigger: 'blur'
          }
        ],
        password: [
          { required: true, message: '请输入活动密码', trigger: 'blur' },
          {
            min: 6,
            max: 15,
            message: '长度在 6 到 15 个字符',
            trigger: 'blur'
          }
        ]
      }
    }
  },
    // 添加行为
  methods: {
    // 重置按钮的验证
    resetLoginForm () {
      // console.log(this);
      this.$refs.LoginFormRef.resetFields()
    },
      // 登录按钮的验证
      login () {
    this.$refs.LoginFormRef.validate(async valid => {
      // console.log(valid);
      if (!valid) return
      const { data: res } = await this.$http.post('login', this.loginForm)
      // console.log(res)
      if (res.meta.status !== 200) return this.$message.error('登录失败')
      this.$message.success('登录成功')
      // console.log(res);
      // 将后台返回的token保存到sessionStorage中
      // 操作完毕之后，需要跳转到/home
      window.sessionStorage.setItem('token', res.data.token)
      this.$router.push('/home')
    })
  }
  }
}
</script>
<style lang='less' scoped>
.login_container {
  background-color: #2b5b6b;
  height: 100%;
}
.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  .avatar_box {
    width: 130px;
    height: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;
    img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }
}
.btn {
  display: flex;
  justify-content: flex-end;
}
.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
</style>
